git: c25f1912ea6a - stable/13 - fork1(): properly track the state of the pg_killsx lock

The branch stable/13 has been updated by kib:

URL: https://cgit.FreeBSD.org/src/commit/?id=c25f1912ea6a9ca510625eac2111d3b2ae67b40d

commit c25f1912ea6a9ca510625eac2111d3b2ae67b40d
Author:     Konstantin Belousov <kib@FreeBSD.org>
AuthorDate: 2023-07-26 23:24:30 +0000
Commit:     Konstantin Belousov <kib@FreeBSD.org>
CommitDate: 2023-08-07 00:48:45 +0000

    fork1(): properly track the state of the pg_killsx lock
    
    (cherry picked from commit 474708c334a7d4fb27049e7dabaf5b74542568dd)
---
 sys/kern/kern_fork.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sys/kern/kern_fork.c b/sys/kern/kern_fork.c
index 3b612e7b8990..cc8e730b10fd 100644
--- a/sys/kern/kern_fork.c
+++ b/sys/kern/kern_fork.c
@@ -984,6 +984,7 @@ fork1(struct thread *td, struct fork_req *fr)
 		 * lock.
 		 */
 		sx_sunlock(&pg->pg_killsx);
+		killsx_locked = false;
 		error = ERESTART;
 		goto fail2;
 	} else {